@misc{1160131,
  author = {Helen M Wood},
  title = {The use of passwords for controlled access to computer resources:},
  year = {1977},
  month = {1977-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.500-9},
  language = {en},
}